Home / 31,280.28-46,897.38-15,686.04

Finding the Fourth Proportional to 31,280.28, 46,897.38 and 15,686.04

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Solution

The fourth proportional to 31,280.28, 46,897.38 and 15,686.04 is: 23,517.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.28 : 46,897.38 = 15,686.04 : x
  2. Step 2: Convert to fraction form
    31,280.28/46,897.38 = 15,686.04/x
  3. Step 3: Cross multiply
    31,280.28x = 46,897.38 × 15,686.04
  4. Step 4: Simplify right side
    31,280.28x = 735,634,178.58
  5. Step 5: Solve for x
    x = 735,634,178.58/31,280.28
  6. Step 6: Final answer
    x = 23,517.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.